Replacing The Carbon Brushes - Husqvarna DM 220 Operator's Manual

Replacing the carbon brushes

WARNING! Shut down the machine and
!
disconnect the power plug.
The carbon brushes must be removed and checked regularly.
Weekly if the machine is used daily or at longer intervals if the
machine is used more seldom. The area of wear should be
even and undamaged.
Both carbon brushes must always be replaced as a pair, but
one at a time.
• Remove the inspection cover.
• Lift the brush retainer spring to one side (1).
• Loosen the screw (2).
• Pull out the carbon brush connector.
• Pull out the coal brush from the holder (3).
• Clean the brush holder with compressed air or a brush.
Replace the brush if worn.
• Fit the new carbon brushes and, at the same time, check
that they slide easily in the brush retainers.
• Put the brush holder spring back into place.
• Insert the carbon brush connection under the screw.
• Repeat the procedure with the other carbon brush.
• Screw the inspection cover back in place.
• Let the machine idle for 10 minutes to run in the new
carbon brushes.
14 –
English
MAINTENANCE